Age 37, of Mount Lebanon, passed away unexpectedly on Monday, November 23, 2020. Beloved son of Marsha (Deaunovich) and the late Daniel S. Kosanoivic. Beloved grandson of the late George and Ann Deaunovich, Sam and Ann Kosanovic. Loving nephew and Godson of Sondra (Les) Deaunovich Bollinger, Donna (the late George Barry) Deaunovich. Cherished cousin of Jessica (Charlie) Hardaway and their children, Ava, Natalia, and Nico. Chad graduated from Mt. Lebanon High School and Allegheny College. Chad will be greatly missed by his business partner and best friend, Jason Cannon and family. Chad was a member of South Hills County Club. His brilliant smile and quick wit will be greatly missed by his family and friends. Visitation will be Friday, November 27, 2020 from 4-7 p.m. at WILLIAM SLATER II FUNERAL SERVICE (412-563-2800), 1650 Greentree Rd., Scott Twp., 15220, where a Funeral Service will be held Saturday, November 28, 2020 at 11 a.m. Burial will be private to the family. Memorial contributions may be made in his name to St. Nicolas Serbian Orthodox Church, 2110 Haymaker Rd., Monroeville, PA 15146. A Celebration of Chad's Life will be announced at a later date. Due to Covid-19 requirements, everyone must wear a mask and practice social distancing. www.slaterfuneral.com